// Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef VMI_THREAD_H
#define VMI_THREAD_H

#include <pthread.h>

const int THREAD_JOIN_SLEEP_TIME_MS = 1000;   // in milliseconds

class VmiThread {
public:
    volatile int mStatus;

    static const int VMI_THREAD_STATUS_NEW = 0;
    static const int VMI_THREAD_STATUS_RUNNING = 1;
    static const int VMI_THREAD_STATUS_EXIT = -1;

    virtual void Run() = 0;

    VmiThread();
    virtual ~VmiThread();

    bool Start();
    void Stop();

    pthread_t GetThreadID();
    int GetState();

    // 等待线程直至退出
    void Join();

    // 等待线程退出或者超时
    void Join(unsigned long mSec);
    
private:
    friend void* ThreadProxyFunc(void* args);
    pthread_t mTid;
};

#endif
